Affiliation: | 1. Division of Anaesthesia and Intensive Care, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden;2. Division of Anaesthesia and Intensive Care, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden Östersund Hospital, Region Jämtland Härjedalen, Östersund, Sweden;3. Medical Statistics Unit, Department of Learning, Information, Management and Ethics (LIME), Karolinska Institutet, Stockholm, Sweden;4. Division of Anaesthesia and Intensive Care, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden Perioperative Medicine and Intensive Care, Karolinska University Hospital Huddinge, Stockholm, Sweden |